Patents by Inventor Rishichi Mimura

Rishichi Mimura has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Artificial lung and method of using it
    Patent number: 5192320
    Abstract: A membrane-type artificial lung adapted to perform exchange of gases between blood and a gas through a membrane by passing blood over one side of the membrane and oxygen or an oxygen-containing gas over the other side, said membrane being a hollow fiber membrane which is composed mainly of a polyolefin, has an inside diameter of 10 to 500 micrometers, a thickness of 5 to 100 micrometers, a porosity of 7 to 50% and an oxygen flux, Q(O.sub.2), of at least 1.times.10.sup.-6 [cm.sup.3 (STP)/(cm.sup.2.sec.cmHg)] and is substantially impermeable to ethanol.
    Type: Grant
    Filed: February 23, 1990
    Date of Patent: March 9, 1993
    Assignees: Dainippon Ink and Chemicals Inc., Kuraray Co., Ltd.
    Inventors: Takanori Anazawa, Kazutaka Murata, Hiroyuki Akasu, Rishichi Mimura
  • Fluid treating apparatus and method of using it
    Patent number: 4911846
    Abstract: Disclosed is a fluid treating apparatus of hollow fiber type. The apparatus can prevent channeling or stagnation of the fluid which flows inside it by specifying the densities of the hollow fibers and the warps forming a hollow fiber sheet and the laminating conditions for laminating the hollow fiber sheets to form a laminate which is to be housed in a housing.
    Type: Grant
    Filed: May 22, 1989
    Date of Patent: March 27, 1990
    Assignee: Kuraray Co., Ltd.
    Inventors: Hiroyuki Akasu, Rishichi Mimura, Takao Migaki, Takashi Yamauchi, Michio Kusachi